Engine knock

NMKawierider · « **Reply #15 on:** February 24, 2018, 10:51:10 AM »

I still want to see one with a pull-start.

Bedrock · « **Reply #16 on:** February 25, 2018, 04:44:45 PM »

NMKawierider · « **Reply #17 on:** February 25, 2018, 05:22:54 PM »

Oh F'k...IMO either the wet clutch has come apart or she's lost it's rod bearing. Better not run it any more until she gets pulled-down.

Bedrock · « **Reply #18 on:** February 25, 2018, 05:33:51 PM »

That's want I'm at now pulling engine out

Bedrock · « **Reply #19 on:** February 25, 2018, 08:26:16 PM »

I just pull the head and cylinder off the main connecting bearing is gone and the wrist pin is seized .

Erikb · « **Reply #20 on:** February 25, 2018, 09:06:16 PM »

I just pull the head and cylinder off the main connecting bearing is gone and the wrist pin is seized .

I cant believe it ran as well as it did. I'm horrified, but a little impressed too... Grab a picture of that will you?

NMKawierider · « **Reply #21 on:** February 25, 2018, 09:11:48 PM »

Well, at least you know what it is now.

Ukhozi · « **Reply #22 on:** April 10, 2018, 05:51:58 AM »

If it is a heavy knock consistent with engine RPM I would say 99% sure it would be a big end, only way to be sure is to pull the cylinder off.

Bedrock · « **Reply #23 on:** April 10, 2018, 09:21:26 AM »

It was the crank the bear was shot

Ukhozi · « **Reply #24 on:** May 22, 2018, 01:05:21 PM »

Only case of knocking CFMOTO was when the main bearing shells had spun.